Finding the Fourth Proportional to 69,644.39, 104,464.56 and 19,724.39

Step by Step Solution

1. Step 1: Write the proportion equation
   69,644.39 : 104,464.56 = 19,724.39 : x
2. Step 2: Convert to fraction form
   69,644.39/104,464.56 = 19,724.39/x
3. Step 3: Cross multiply
   69,644.39x = 104,464.56 × 19,724.39
4. Step 4: Simplify right side
   69,644.39x = 2,060,499,666.00
5. Step 5: Solve for x
   x = 2,060,499,666.00/69,644.39
6. Step 6: Final answer
   x = 29,586.01